<!DOCTYPE html>
<html lang="en">

    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>Title</title>
        <link href="static/bootstrap-3.4.1-dist/css/bootstrap.min.css" rel="stylesheet">
        <script src="static/jquery/jquery.min.js"></script>
        <script src="static/bootstrap-3.4.1-dist/js/bootstrap.min.js"></script>
    </head>

    <body>
        <div class="container">
            <ul class="nav nav-tabs">
                <li class="nav-item">
                    <a class="nav-link active" aria-current="page" href="#">Active</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">Link</a>
                </li>
            </ul>
        </div>
    </body>
</html>